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  1. Replies
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    I thought things were back on track ... guess...

    I thought things were back on track ... guess not. As I have stated repeatedly, I only come here to help - I have never asked a question, and it is doubtful that I ever will. My intentions...
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    I am only here to help ... I don't like, nor seek...

    I am only here to help ... I don't like, nor seek conflict. Your posts are informative, and no doubt based on a lifetime with GM products. That said, GM does not provide its Techs with training in...
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    Dave, I have no doubt that you will come up with...

    Dave, I have no doubt that you will come up with what works for you, and that it will work well for your customer.

    This is a commercial venture for you, and I am aware that you are the type of...
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    How many standalone Gen IV wiring harnesses have...

    How many standalone Gen IV wiring harnesses have you built ?
  5. Replies
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    True. False.

    True.



    False.
  6. Replies
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    I believe that these are generally not used with...

    I believe that these are generally not used with E38 non-Hybrid trucks. Hybrid uses pin 54 for fan control. V6 trucks (E37 ECM) does use these pinouts.

    Can you post the schematics your question...
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    The T43 actually isn't too oppressive to work...

    The T43 actually isn't too oppressive to work with. The newer ECMs (E38 / E67 / E78 / E83 / E92) need a GM dealer / TIS flash if replaced - as tuning software cannot read / write the throttle...
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    Yes sir ... 6L80/90 TCM connector looks like this...

    Yes sir ... 6L80/90 TCM connector looks like this ...


    70127013
  9. Replies
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    Not to worry ... in a Hot Rod / custom...

    Not to worry ... in a Hot Rod / custom application the E38 provides this to the CAN Bus network.

    As an example, you can bench read an E38 with tuning software, without issue.

    Try connecting to...
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    You shouldn't need to change anything on the...

    You shouldn't need to change anything on the screen shot you posted. Plug in your V2 to your computer before you open the tune. When you open the tune, click on the "Engine Operation" folder, you...
  11. Replies
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    Getting upset won't help you. If you have...

    Getting upset won't help you. If you have endless time for this project, you will probably figure it out. If you require it to be completed sooner rather than later, retaining the services of a...
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    In no way was I telling you to give up - just...

    In no way was I telling you to give up - just encouraging you to think logically. If you are up to taking this on - awesome. Get yourself a WBO, and starting reading the AutoVE Tutorial that came...
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    OK … as a preamble, my posts tend to be to the...

    OK … as a preamble, my posts tend to be to the point, but no negative connotation is intended nor implied.

    At the outset of this project I recall two things in particular. One, that you had a...
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    I took a very quick look at your tune. You are...

    I took a very quick look at your tune. You are running an EFILive COS3 OS. Do you have a WBO ? How have you been tuning thus far ? It appears as if the Boost VE table has not been refined beyond...
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    My apologies for the thermodynamic sidetrack ...

    My apologies for the thermodynamic sidetrack ....

    That is a good reduction in temperature. Where are the MAF and IAT located in the air stream ? Also, you never posted a tune ... what are you...
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    That is just it - the air stream coming out of a...

    That is just it - the air stream coming out of a supercharger is not as cool as the air going into it. Ever notice how the 80 gallon tank on the compressor in your shop can get very hot to the touch...
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    Increased thermal efficiency (i.e increased power...

    Increased thermal efficiency (i.e increased power output, reduced knock sensitivity, etc.) - just like the OEM LSA and LS9 engines - factory superchargers, with factory intercoolers.
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    While I agree with your point that aftermarket...

    While I agree with your point that aftermarket cats are short lived compared to an OEM cat (which I had highlighted earlier), running your "test pipe" (i.e. no cat) in between E-Test periods is a...
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    If the car passed the E-Test the two previous...

    If the car passed the E-Test the two previous years, followed by failing this year, with the same tune - the E-Test failure is not tune related.

    Given that the car is predominantly stored (not...
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    Take a look at the attached PDF ...

    Take a look at the attached PDF ...
  21. Thread: tunercat update.

    by Buzz
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    Yes sir ... TC now supports the E92 ECM via...

    Yes sir ... TC now supports the E92 ECM via OBD2_40 and OBD2_41 VDF files ... already placed an order for these new VDFs.

    The level of support and R&D from TC is absolutely awesome !
  22. Replies
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    A lot of people omit to factor in the cost of the...

    A lot of people omit to factor in the cost of the accessory drive when embarking on a Gen III / IV conversion. The Corvette accessory drive generally (but not always) fits the best, and provides the...
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    The APT (Adjustable Part Throttle) circuit on the...

    The APT (Adjustable Part Throttle) circuit on the Quadrajets made them highly tunable for decent cruising fuel consumption. Most needed a boss / plug drilled out and then threaded for a removable...
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    Good lord man, do you speak just to hear the...

    Good lord man, do you speak just to hear the sound of your own voice ?

    Of course I read his original post - that is why I chose to participate in this thread. Without a COS and a 2 bar MAP...
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    Trying to answer the OP's questions about a COS...

    Trying to answer the OP's questions about a COS ... not interested in a Coke vs Pepsi debate regarding SD vs MAF tunes. You will find very knowledge people will that will line up on either side of...
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